Pizza cutter



FIG. 1 is a perspective view of a pizza cutter showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a side elevational view;

FIG. 4 is a front elevational view;

FIG. 5 is a bottom plan view; and,

FIG. 6 is a rear elevational view.

The supporting base is shown in broken lines in FIGS. 1 and 3 for illustrative purposes only and forming no part of the claimed design. 

The ornamental design for a pizza cutter, as shown and described. 